// Copyright 2022 Huawei Cloud Computing Technologies Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package cpu

import (
	"runtime"
)

var cpuNum = runtime.NumCPU()

func GetCpuNum() int {
	return cpuNum
}

func SetCpuNum(n, ratio int) {
	if n > 0 {
		cpuNum = n
	}

	if ratio <= 1 {
		ratio = 1
	}

	cpuNum = cpuNum * ratio
	if cpuNum >= 64 {
		cpuNum = 64
	}
}
